package Thread;

class MyThread extends Thread {
    @Override
    public void run () {
        while(true) {
            System.out.println("hello,Thread!");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
    }
}

public class demo1 {
    public static void main(String[] args) {
        Thread t = new Thread(new Runnable() {
            @Override
            public void run() {
                System.out.println("1");
            }
        });
        t.start();
        System.out.println("2");
    }

}
